<?php

echo 'hello world';

class pool{

	//var id
	protected $id ;
	public function __construct($id){
		$this -> id = $id;
	}
	public function getId(){
		return $this -> id;
	}
}

class objectPool{
	protected $data = array();

	public function pushPool(Pool $pool){
		self::$data[$pool -> getId()] = $pool;
	}

	public static function removePool($id){
		if(array_key_exists())
	}
}



